Local Subspace-Based Outlier Detection using Global Neighbourhoods.
Bas van SteinMatthijs van LeeuwenThomas BäckPublished in: CoRR (2016)
Keyphrases
- outlier detection
- fraud detection
- detection algorithm
- data streams
- knowledge discovery
- credit card fraud detection
- density ratio estimation
- detecting outliers
- high dimensional datasets
- density estimation
- distance based outlier detection
- principal component analysis
- feature extraction
- density based clustering
- detect outliers
- data mining
- low dimensional
- feature space
- change point detection
- outlier mining
- spatio temporal
- information retrieval
- data sets
- database